Finding the Fourth Proportional to 17,109.59, 23,609.86 and 9,555.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,109.59 : 23,609.86 = 9,555.32 : x
2. Step 2: Convert to fraction form
   17,109.59/23,609.86 = 9,555.32/x
3. Step 3: Cross multiply
   17,109.59x = 23,609.86 × 9,555.32
4. Step 4: Simplify right side
   17,109.59x = 225,599,802.59
5. Step 5: Solve for x
   x = 225,599,802.59/17,109.59
6. Step 6: Final answer
   x = 13,185.58